Suppose your firm is considering two mutually exclusive, required projects with the cash flows shown below. The required rate of return on projects of both of their risk class is 9 percent, and that the maximum allowable payback and discounted payback statistic for the projects are 2 and 3 years, respectively. Time: 0 1 2 3 Project A Cash Flow -21,000 11,000 31,000 2,000 Project B Cash Flow -31,000 11,000 21,000 51,000 Use the discounted payback decision rule to evaluate these projects; which one(s) should be accepted or rejected? accept neither A nor B accept A, reject B reject A, accept B accept both A and B